S
M
T
W
T
F
S
26
61°
44°
27
73°
42°
28
64°
46°
29
66°
50°
30
66°
50°
1
66°
47°
2
58°
42°
3
61°
44°
4
72°
54°
5
80°
61°
6
73°
53°
7
65°
46°
8
61°
46°
9
62°
47°
10
66°
51°
11
67°
51°
12
66°
50°
13
66°
52°
14
68°
54°
15
71°
55°
16
77°
58°
17
78°
59°
18
78°
59°
19
77°
58°
20
78°
59°
21
77°
59°
22
76°
53°
23
72°
51°
24
69°
53°
25
71°
52°
26
72°
54°
27
71°
53°
28
72°
54°
29
73°
53°
30
72°
54°
31
73°
62°
1
78°
61°
2
74°
57°
3
75°
61°
4
79°
63°
5
78°
60°
6
79°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Wallingford
Wallingford's May 2026 forecast shows daily high temperatures ranging from 58° to 80°, with overnight lows between 42° and 63°. The average high for May is 72° with an average low of 54°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Wallingford. See also: June | July | August.
